81008464

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{50129}}^1$

素因数の和:50238

約数の個数: 20

約数和(自身を含む): 158511060

約数和(自身を除く): 77502596

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 50129, 100258, 200516, 401032, 802064, 5063029, 10126058, 20252116, 40504232, 81008464]

約数ペア:

[(1, 81008464), (2, 40504232), (4, 20252116), (8, 10126058), (16, 5063029), (101, 802064), (202, 401032), (404, 200516), (808, 100258), (1616, 50129)]